. >> president obama spoke briefly from the white house following the arrest of the second suspect at the boston marathon. he also took a moment to talk about the victims at the fertilizer plant explosion in west, texas. >> good evening, everybody. in debt our nation is to be people of boston and the people of massachusetts. after a vicious attack on the city, bostonian responded with resolve and determination. they did their part as citizens and partners in this investigation. boston police and state police and local police across the commonwealth of massachusetts responded with professionalism and reverie over five long days. tonight, because of their long efforts, we closed an important chapter in this tragedy. i have been briefed by fbi director smaller. -- the fbi director. i directed the resources of the federal government to help with the best addition in to increase security as needed. over the past week, close coordination over federal, state, and local officials, sharing information, moving to track down leads, has been critical to this effort. in of all work as they should,